When a 1.7 kW electric heater is used, it can make a room heated to a certain temperature. That same room can also be heated using a heat pump with a COP
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Georgia State University: Hyper Physics: Heat Engine Concepts: Carnot Cycle Handout for 9th - 10th Grade | Lesson Planet
What is the definition of a heat pump? Are there any heat pumps that use water as their source instead of air or ground? - Quora
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